Vintage Mexican Biker Souvenir Skull RingWhen brass knuckles were outlawed in the States, biker gangs would buy these oversized tourist rings along Mexican border towns. This Silver Skull Ring is in worn vintage condition, circa 1940s 50s, and features a classic hand etched skull and crossbones with deep scalloped edges and eagle crest shanks on either side. Vintage Mexican biker ring Circa 1940s 50s Classic skull motif with eagle crest shanks Wear and patina consistent with age Size: 10. 75